Search Results - "Vasile, I"

Catalysis in Ionic Liquids by Pârvulescu, Vasile I, Hardacre, Christopher

“…A review of ionic liquid catalysts used as green alternatives to volatile organic solvents is presented. The steps used in the liquids' metathesis in…”
Get full text

Recent Progress and Prospects in Catalytic Water Treatment by Parvulescu, Vasile I, Epron, Florence, Garcia, Hermenegildo, Granger, Pascal

“…Presently, conventional technologies in water treatment are not efficient enough to completely mineralize refractory water contaminants. In this context, the…”
Get full text

Catalytic NOx Abatement Systems for Mobile Sources: From Three-Way to Lean Burn after-Treatment Technologies by Granger, Pascal, Parvulescu, Vasile I

“…Granger and Parvulescu discuss nitric oxide emissions and abatement systems in lean-burn engines…”
Get full text

Degradation of pharmaceutical compounds in water by non-thermal plasma treatment by Magureanu, Monica, Mandache, Nicolae Bogdan, Parvulescu, Vasile I.

“…Pharmaceutical compounds became an important class of water pollutants due to their increasing consumption over the last years, as well as due to their…”
Get full text

Selective oxidation of 5-hydroxymethyl furfural over non-precious metal heterogeneous catalysts by Neațu, Florentina, Marin, Roxana Simona, Florea, Mihaela, Petrea, Nicoleta, Pavel, Octavian Dumitru, Pârvulescu, Vasile I.

“…[Display omitted] •Non-precious MnxFeyOz is an active catalyst for the selective oxidation of HMF.•The optimal catalysts composition corresponds to an atomic…”
Get full text

Nonprecious Metals Catalyzing Hydroamination and C–N Coupling Reactions by Coman, Simona M, Parvulescu, Vasile I

“…This review highlights the recent achievements in replacing precious-metal-based catalysts with nonprecious-metal-based catalysts in two important syntheses:…”
Get full text

CO2 methanation catalyzed by oriented MoS2 nanoplatelets supported on few layers graphene by Primo, Ana, He, Jinbao, Jurca, Bogdan, Cojocaru, Bogdan, Bucur, Cristina, Parvulescu, Vasile I., Garcia, Hermenegildo

“…[Display omitted] •MoS2 supported on defective graphene has been prepared by pyrolysis from precursors.•MoS2 supported on graphene exhibits catalytic activity…”
Get full text

Multifunctional nanocomposites with non-precious metals and magnetic core for 5-HMF oxidation to FDCA by Tirsoaga, Alina, El Fergani, Magdi, Nuns, Nicolas, Simon, Pardis, Granger, Pascal, Parvulescu, Vasile I., Coman, Simona M.

“…[Display omitted] •Multifunctional nanocomposites with non-precious metals and magnetic core.•Catalysts combine Nb-MCM-41 and Mn, Co and Fe oxides as a…”
Get full text

Anthropogenic Perchlorate Increases since 1980 in the Canadian High Arctic by Furdui, Vasile I, Zheng, Jiancheng, Furdui, Andreea

“…An ice core of 15.5 m retrieved from Agassiz Ice Cap (Nunavut, Canada) in April 2009 was analyzed for perchlorate to obtain a temporal trend in the recent…”
Get full text

Efficient glucose dehydration to HMF onto Nb-BEA catalysts by Candu, Natalia, El Fergani, Magdi, Verziu, Marian, Cojocaru, Bogdan, Jurca, Bogdan, Apostol, Nicoleta, Teodorescu, Cristian, Parvulescu, Vasile I., Coman, Simona M.

“…The one-pot production of HMF from glucose in biphasic water/MIBK solvent using Nb(0.02 and 0.05 mol%)-Beta zeolites occurs with a selectivity to HMF of 84.3%…”
Get full text

The hydrolytic hydrogenation of cellulose to sorbitol over M (Ru, Ir, Pd, Rh)-BEA-zeolite catalysts by Negoi, Alina, Triantafyllidis, Kostas, Parvulescu, Vasile I., Coman, Simona M.

“…•Supported Ir, Pd, Rh and Ru catalysts were examined for the synthesis of sorbitol.•Ru-BEA was found to be the most active for the conversion of cellulose.•The…”
Get full text

Degradation of pharmaceutical compound pentoxifylline in water by non-thermal plasma treatment by Magureanu, Monica, Piroi, Daniela, Mandache, Nicolae Bogdan, David, Victor, Medvedovici, Andrei, Parvulescu, Vasile I.

“…The decomposition of a model pharmaceutical compound, pentoxifylline, in aqueous solution was investigated using a dielectric barrier discharge (DBD) in…”
Get full text

Impact of organic/inorganic alkalis in tailoring of Mg/Al-hydrotalcite used in Claisen–Schmidt condensation by Zăvoianu, Rodica, Taha, Salman Eman, Cojocaru, Bogdan E., Pârvulescu, Vasile I., Pavel, Octavian D.

“…An organic alkali such as tetramethylammonium hydroxide provides a viable alternative to the inorganic alkalis (NaOH / Na2CO3) as a pH-adjustment agent also…”
Get full text

Synthesis of lactide from L-Lactic acid over iso-reticular zeolites derived from Al-UTL by Podolean, Iunia, Cojocaru, Bogdan, Pârvulescu, Vasile I., Mazur, Michal, Abdi, Sarra, Čejka, Jiři

“…Controlling the reaction selectivity by use of rationally designed catalysts provides high yields of desired products rendering the process more efficient and…”
Get full text

Local structure in CeO2 and CeO2–ZrO2 nanoparticles probed by Eu luminescence by Parvulescu, Vasile I., Tiseanu, Carmen

“…•Eu luminescence probes for surface versus substitutional doping into CeO2.•Two main Eu centers co-exist in CeO2.•Eu luminescence probes for nanoscale…”
Get full text

Enhancement of the valorization of renewable glycerol: The effects of the surfactant-enzyme interaction on the biocatalytic synthesis of glycerol carbonate by Tudorache, Madalina, Negoi, Alina, Parvulescu, Vasile I.

“…[Display omitted] •Renewable glycerol has been used in green synthesis of glycerol carbonate.•Screening of glycerol from different oil sources has been…”
Get full text

Environmental-friendly strategy for biocatalytic conversion of waste glycerol to glycerol carbonate by Tudorache, Madalina, Negoi, Alina, Tudora, Bogdan, Parvulescu, Vasile I.

“…[Display omitted] ► Waste glycerol from biodiesel production was converted to glycerol carbonate (GlyC). ► GlyC synthesis has been developed based on…”
Get full text

d-Glucose hydrogenation/hydrogenolysis reactions on noble metal (Ru, Pt)/activated carbon supported catalysts by Lazaridis, Polykarpos A., Karakoulia, Stamatia, Delimitis, Andreas, Coman, Simona M., Parvulescu, Vasile I., Triantafyllidis, Kostas S.

“…•Glucose hydrogenation/hydrogenolysis at harsh conditions (180°C, 3–12h, 1.6MPa H2).•Pt/AC is highly selective for glucose hydrogenation to sorbitol.•Single…”
Get full text

Optimized Nb-Based Zeolites as Catalysts for the Synthesis of Succinic Acid and FDCA by El Fergani, Magdi, Candu, Natalia, Tudorache, Madalina, Granger, Pascal, Parvulescu, Vasile I, Coman, Simona M

“…Nb(0.05 moles%)-zeolites prepared via a post synthesis methodology (BEA, Y, ZSM-5), or a direct sol-gel method (Silicalite-1) were investigated in the…”
Get full text

The perchlorate record during 1956–2004 from Tienshan ice core, East Asia by Du, Zhiheng, Xiao, Cunde, Furdui, Vasile I., Zhang, Wangbin

“…Perchlorate concentration in a shallow ice core at Tienshan, East Asia ranged between 0.55 and 52.1 ng L−1, with significant temporal variations during…”
Get full text